CC Animation: Move files from cc_blink to Source/platform/animation

third_party/WebKit/Source/platform/animation/CompositorScrollOffsetAnimationCurve.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CompositorScrollOffsetAnimationCurve_h
+#define CompositorScrollOffsetAnimationCurve_h
+
+#include "base/memory/scoped_ptr.h"
+#include "platform/PlatformExport.h"
+#include "platform/animation/CompositorAnimationCurve.h"
+#include "platform/geometry/FloatPoint.h"
+#include "wtf/Noncopyable.h"
+
+namespace cc {
+class AnimationCurve;
+class ScrollOffsetAnimationCurve;
+}
+
+namespace blink {
+
+class PLATFORM_EXPORT CompositorScrollOffsetAnimationCurve : public CompositorAnimationCurve {
+    WTF_MAKE_NONCOPYABLE(CompositorScrollOffsetAnimationCurve);
+public:
+    enum ScrollDurationBehavior {
+        ScrollDurationDeltaBased = 0,
+        ScrollDurationConstant,
+        ScrollDurationInverseDelta
+    };
+
+    CompositorScrollOffsetAnimationCurve(FloatPoint, TimingFunctionType, ScrollDurationBehavior);
+    ~CompositorScrollOffsetAnimationCurve() override;
+
+    // CompositorAnimationCurve implementation.
+    AnimationCurveType type() const override;
+
+    virtual void setInitialValue(FloatPoint);
+    virtual FloatPoint getValue(double time) const;
+    virtual double duration() const;
+    virtual FloatPoint targetValue() const;
+    virtual void updateTarget(double time, FloatPoint newTarget);
+
+    scoped_ptr<cc::AnimationCurve> cloneToAnimationCurve() const;
+
+private:
+    scoped_ptr<cc::ScrollOffsetAnimationCurve> m_curve;
+};
+
+} // namespace blink
+
+#endif // CompositorScrollOffsetAnimationCurve_h